Smart wristband



FIG. 1 is a perspective view of a smart wristband showing my new design:

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a perspective view of the smart wristband where a watchband is separated from a watch body;

FIG. 10 is an enlarged view of portion 10 shown in FIG. 1; and,

FIG. 11 is an enlarged view of portion 11 shown in FIG. 2.

The broken lines in the drawings depict portions of the smart wristband that form no part of the claimed design. 

CLAIM The ornamental design for a smart wristband, as shown and described. 